/**
 * Copyright (c) 2008, Andrew Carter
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are 
 * permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, this list of 
 * conditions and the following disclaimer. Redistributions in binary form must reproduce 
 * the above copyright notice, this list of conditions and the following disclaimer in 
 * the documentation and/or other materials provided with the distribution. Neither the 
 * name of Andrew Carter nor the names of contributors may be used to endorse or promote 
 * products derived from this software without specific prior written permission. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 * SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.acarter.jmejtree;

import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.io.IOException;

import javax.swing.tree.TreePath;

/**
 * 
 * @author Carter
 *
 */
public class JMEJTreeTransferable implements Transferable {

  public static DataFlavor TREE_PATH_FLAVOR = new DataFlavor(TreePath.class, "Tree Path");

  DataFlavor flavors[] = { TREE_PATH_FLAVOR };

  TreePath path;

  /**
   * 
   * @param tp
   */
  public JMEJTreeTransferable(TreePath tp) {
  	
    path = tp;
  }

  /**
   * 
   */
  public synchronized DataFlavor[] getTransferDataFlavors() {
  	
    return flavors;
  }

  /**
   * 
   */
  public boolean isDataFlavorSupported(DataFlavor flavor) {
  	
    return (flavor.getRepresentationClass() == TreePath.class);
  }

  /**
   * 
   */
  public synchronized Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
  	
    if (isDataFlavorSupported(flavor))
      return (Object) path;
    else
      throw new UnsupportedFlavorException(flavor);
  }
}
